001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020
021 package org.apache.directory.server.dns.io.encoder;
022
023
024 import org.apache.directory.server.dns.messages.ResourceRecord;
025 import org.apache.directory.server.dns.store.DnsAttribute;
026 import org.apache.mina.core.buffer.IoBuffer;
027
028
029 /**
030 * 3.3.12. PTR RDATA format
031 *
032 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
033 * / PTRDNAME /
034 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
035 *
036 * where:
037 *
038 * PTRDNAME A <domain-name> which points to some location in the
039 * domain name space.
040 *
041 * PTR records cause no additional section processing. These RRs are used
042 * in special domains to point to some other location in the domain space.
043 * These records are simple data, and don't imply any special processing
044 * similar to that performed by CNAME, which identifies aliases. See the
045 * description of the IN-ADDR.ARPA domain for an example.
046 *
047 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
048 * @version $Rev: 725712 $, $Date: 2008-12-11 17:32:04 +0200 (Thu, 11 Dec 2008) $
049 */
050 public class PointerRecordEncoder extends ResourceRecordEncoder
051 {
052 protected void putResourceRecordData( IoBuffer byteBuffer, ResourceRecord record )
053 {
054 String domainName = record.get( DnsAttribute.DOMAIN_NAME );
055
056 putDomainName( byteBuffer, domainName );
057 }
058 }